# TrueVoIP vs Amp Onsite

The clearest difference is in-app purchases: TrueVoIP at none against Amp Onsite's 1. TrueVoIP also leads on ratings volume (8 vs 1) and iOS requirement (14.0 vs 16.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Amp Onsite sells 1 in-app purchase, starting at $249.99 per month. TrueVoIP asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for TrueVoIP against 5.0 for Amp Onsite. That said, the two scores are not equally well evidenced: TrueVoIP has 8 ratings behind it against 1, so its average is the more settled of the two.

TrueVoIP ships an update every 5 months, Amp Onsite every 3 months. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | TrueVoIP | Amp Onsite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (8 ratings)](https://appshunter.io/ios/app/truevoip/id1476888075/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/amp-onsite/id1555571836/reviews) |
| Number of ratings | **8** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | **Free** | Subscription |
| Size | 105 MB | 57 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TrueVoIP Corp](https://appshunter.io/developer/1476888074) | [Mike Malasek](https://appshunter.io/developer/1555571838) |

## What reviewers say

### TrueVoIP

[App page](https://appshunter.io/ios/app/truevoip/id1476888075)

This business communication tool allows users to make and receive calls using their existing business identity on their mobile devices. It provides access to essential features like call transfers, voicemail management, and call history, extending desktop functionality to go.

**Highlights:** Maintain business identity on mobile, Make and receive calls, Transfer calls to extensions, Dial internal users, Access and manage voicemail, View call history

**Features:** macOS Compatibility, Siri integration

**In-app purchases:** none


### Amp Onsite

[App page](https://appshunter.io/ios/app/amp-onsite/id1555571836)

This app enables field technicians and sales associates to access critical information remotely. It facilitates task management, custom data collection with photos, and time tracking for assigned jobs. The application supports offline functionality with seamless data synchronization.

**Highlights:** Remote information access, Task communication, Custom data collection forms, Photo organization, Time tracking for tasks, Offline and online modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Amp Onsite Monthly | $249.99 | per month |


## Frequently asked questions

### Is TrueVoIP free?

TrueVoIP is free to download, with no in-app purchases.

### Is Amp Onsite free?

Amp Onsite is free to download, with in-app purchases available.

### Which has better reviews, TrueVoIP or Amp Onsite?

TrueVoIP and Amp Onsite are both rated 5.0 out of 5 on the App Store, from 8 and 1 ratings respectively.

### Do TrueVoIP or Amp Onsite have ads?

Neither TrueVoIP nor Amp Onsite shows ads.

### Which is updated more often, TrueVoIP or Amp Onsite?

TrueVoIP ships an update every 5 months, and Amp Onsite every 3 months. Most recently, TrueVoIP was updated on October 4, 2026 and Amp Onsite on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*